The experimental teacher instructed students to carefully look at each vowel sound presented in the reading task and then provided a clear model for each vowel sound prior to students reading the list of words.

Among the HD DVD and Blu-ray Disc devices using Dolby's next-generation technologies to deliver crystalline high-definition sound are the BD100 dual-format Blu-ray Disc/HD DVD player from LG Electronics, the HD-XA2 and HD-A2 HD DVD players from Toshiba, the DMP-BD10K Blu-ray Disc player from Panasonic, and the BD-P1200 Blu-ray Disc player from Samsung.

They weren't the first sounds heard by movie audiences, but Jolson's words in the 1927 hit ``The Jazz Singer'' were music to people's ears and convinced moviegoers - and studio executives - that recorded sound could be more than simply a passing fancy.

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